install linux in association with windows

I tried to use the linux DVD to install a copy of fedora onto my hd (not the main partition, the "/dev/sda7", "G:\" partition) but it said there was an error installing grub. Then a bug window came up, crashing the installation. What should I do?

“I just want to use my computer in a productive manner, not learn how to use it.” — Elysia“A year spent in artificial intelligence is enough to make one believe in God.” — Alan Jay Perlis